From: | Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com> |
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To: | Andreas Seltenreich <seltenreich(at)gmx(dot)de> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [sqlsmith] Failed assertion in _hash_kill_items/MarkBufferDirtyHint |
Date: | 2017-04-01 10:54:22 |
Message-ID: | CAE9k0PmqgcnrBQjZ79Y6J9Z-35LJ1UP19mehYOi-u2zOmupEhw@mail.gmail.com |
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Lists: | pgsql-hackers |
Hi Andreas,
On Apr 1, 2017 16:15, "Andreas Seltenreich" <seltenreich(at)gmx(dot)de> wrote:
Andreas Seltenreich writes:
>>> TRAP: FailedAssertion("!(LWLockHeldByMe(((LWLock*)
(&(bufHdr)->content_lock))))", File: "bufmgr.c", Line: 3397)
> I got about one TRAP per hour when testing on 20 nodes with one postgres
> and 5 sqlsmithes on each.
> Ashutosh Sharma writes:
>> [2. reacquire_lock_hashkillitems_if_required.patch]
I've done about 12 hours of testing since applying this patch and no
failed assertions so far.
Thanks for testing my patch. Just FYI, I have slightly changed my patch
this morning as per Robert's suggestions. But, still more or less the logic
remains the same. Thank you once again.
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